Home / 736,921.70-1,105,890.18-257,152.22

Finding the Fourth Proportional to 736,921.70, 1,105,890.18 and 257,152.22

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Solution

The fourth proportional to 736,921.70, 1,105,890.18 and 257,152.22 is: 385,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,921.70 : 1,105,890.18 = 257,152.22 : x
  2. Step 2: Convert to fraction form
    736,921.70/1,105,890.18 = 257,152.22/x
  3. Step 3: Cross multiply
    736,921.70x = 1,105,890.18 × 257,152.22
  4. Step 4: Simplify right side
    736,921.70x = 284,382,114,863.20
  5. Step 5: Solve for x
    x = 284,382,114,863.20/736,921.70
  6. Step 6: Final answer
    x = 385,905.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.